Enterobacterial repetitive intergenic consensus sequences and the PCR to generate fingerprints of genomic DNAs from Vibrio cholerae O1, O139, and non-O1 strains

Article Abstract:

DNA fingerprint patterns (FPs) generated by PCR analysis of enterobacterial repetitive intergenic consensus (ERIC) sequence polymorphism may be used in detecting the emergence of virulent Vibrio cholerae strains. ERIC-PCR results from V. cholerae strains isolated from Brazil, Peru, Mexico and India revealed FP groups specific for toxigenic and non- toxigenic O1 and non-O1 strains. The presence of PCR fragments common to multiple groups is discussed.

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Molecular characterization of Vibrio cholerae O139 Bengal isolated from water and the aquatic plant Eichhornia crassipes in the River Ganga, Varanasi, India

Article Abstract:

Results show that all ten strains of Vibrio cholerae O139 carried CTX genetic element and produced cholera toxin . The strains are resistant to antibiotics trimethoprim, sulfamethoxazole, streptomycin, and vibriostatic agent pteridine. Molecular analysis indicate that aquatic environments contain multiple clones of V. cholerae O139.

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Molecular analysis of Vibrio cholerae O1, O139, non-O1, and non-O139 strains: clonal relationships between clinical and environmental isolates

Article Abstract:

Some non-cholera-toxin-producing strains of Vibrio cholerae produce a toxin that is different from the toxin produced by O1 and O139 strains. Many of these non-cholera-toxin-producing stains are found in aquatic environments.

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